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<head>
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  <title>Document</title>
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  <div id = "app">
    <!-- .prevent 事件修饰符 阻止默认事件 -->
    <a href="http://www.baidu.com" @click.prevent = "show">跳转到百度</a>
    
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  <script>
    const app = new Vue({
      el:"#app",
      data:{

      },
      methods:{
        show(){
          // 阻止默认行为
          // e.preventDefault();  event.stopPropagation() 阻止冒泡
          console.log("点击了a链接");
        }
      }
    })
  </script>
  </div>
</body>
</html>